Influence of the spatial variation of seismic ground motions on the multi-supporting structures;
地震动的空间变异性对多支承结构的影响
Analysis of Severe Vibration of Draught Fan and Solution Method;
引风机剧烈震动分析及解决方法
Blast shock and vibration of underground structures with conventional weapon;
常规爆炸下地下结构的冲击震动环境
The profile cutter is replaced by the cutter with three equi-spaced inserts to avoid the vibration in the valve seat machining.
介绍了用国产硬质合金枪铰刀替代MAPAL枪镗刀解决导管孔的断刀和质量问题,以及用三个刀片均布的刀具替代成形刀具解决阀座加工中的震动问题。